Home / 346,072.80-518,125.04-266,684.70

Finding the Fourth Proportional to 346,072.80, 518,125.04 and 266,684.70

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Solution

The fourth proportional to 346,072.80, 518,125.04 and 266,684.70 is: 399,268.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,072.80 : 518,125.04 = 266,684.70 : x
  2. Step 2: Convert to fraction form
    346,072.80/518,125.04 = 266,684.70/x
  3. Step 3: Cross multiply
    346,072.80x = 518,125.04 × 266,684.70
  4. Step 4: Simplify right side
    346,072.80x = 138,176,020,854.89
  5. Step 5: Solve for x
    x = 138,176,020,854.89/346,072.80
  6. Step 6: Final answer
    x = 399,268.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.